Table 3.
Performance metrics with the primary care prevalence. LCL and UCL represent the lower and upper 95% confidence limits, respectively.
| RETeval cutoff value | Sensitivity | Specificity | Predictive Power of Test | Percent of Tested Sample | ||||
|---|---|---|---|---|---|---|---|---|
| Positive Test | Negative Test | |||||||
| Positive | Negative | True | False | True | False | |||
| 17.6 | 93% | 52% | 8% | 99.5% | 4.1% | 46% | 50% | 0.2% |
| LCL | 73% | 47% | 5% | 97% | 2.4% | 41% | 45% | 0.0% |
| UCL | 99.9% | 57% | 13% | 100.0% | 6.5% | 51% | 55% | 1.3% |
| 18.1 | 90% | 57% | 9% | 99.2% | 3.8% | 41% | 55% | 0.5% |
| LCL | 65% | 52% | 5.0% | 97% | 2.2% | 36% | 50% | 0.1% |
| UCL | 99% | 62% | 14% | 99.9% | 6.2% | 46% | 59% | 1.7% |
| 19.1 | 88% | 67% | 11% | 99.1% | 3.8% | 31% | 64% | 0.5% |
| LCL | 65% | 62% | 6% | 97% | 2.2% | 27% | 59% | 0.1% |
| UCL | 99% | 72% | 17% | 99.9% | 6.2% | 36% | 69% | 1.7% |
| 20.0 | 83% | 78% | 15% | 99% | 3.6% | 21% | 75% | 0.7% |
| LCL | 59% | 74% | 9% | 97% | 2.0% | 17% | 71% | 0.1% |
| UCL | 96% | 82% | 23% | 99.9% | 5.9% | 25% | 79% | 2.1% |
| 21.2 | 73% | 84% | 17% | 99% | 3.1% | 15% | 80% | 1.2% |
| LCL | 47% | 80% | 9% | 97% | 1.7% | 12% | 76% | 0.4% |
| UCL | 90% | 87% | 27% | 99.5% | 5.3% | 19% | 84% | 2.8% |